 (alias 'transformation.sort-column 'akvo.lumen.specs.transformation.sort-column)
 
 (s/def ::transformation.sort-column/sortDirection lumen.s/sort?)
-(s/def ::transformation.sort-column/columnName columnName?)
+(s/def ::transformation.sort-column/columnName ::db.dsv.column.s/columnName)
 
 (s/def ::transformation.sort-column/args
   (s/keys :req-un [::transformation.sort-column/sortDirection

            [clojure.string :as string]
            [clojure.tools.logging :as log])
  (:import [java.time Instant]))

(def columnName? string?)

(s/def ::type #{:transformation :undo})


                                                        ::transformation.merge-datasets.source/mergeColumn
                                                        ::transformation.merge-datasets.source/mergeColumns]))

(s/def ::transformation.merge-datasets.target/mergeColumn ::db.dsv.column.s/columnName)


(s/def ::transformation.merge-datasets/target (s/keys :req-un [::transformation.merge-datasets.target/mergeColumn]))
